"Which achievement improved the standard of living in the late 1800s?" the reintroduction of the Olympic Games the establishment of Darwin’s theory of natural selection the publication of dime novels and penny dreadfuls the discovery of the link between germs and disease

Which achievement improved the standard of living in the late 1800s?

A. the establishment of Darwin’s theory of natural selection

B. the publication of dime novels and penny dreadfuls

C. the discovery of the link between germs and disease

D. the reintroduction of the Olympic Games

HERE YOU GO DEAREST EMERSON!

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.